Home / 84,932.70-127,399.35-25,768.86

Finding the Fourth Proportional to 84,932.70, 127,399.35 and 25,768.86

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Solution

The fourth proportional to 84,932.70, 127,399.35 and 25,768.86 is: 38,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,932.70 : 127,399.35 = 25,768.86 : x
  2. Step 2: Convert to fraction form
    84,932.70/127,399.35 = 25,768.86/x
  3. Step 3: Cross multiply
    84,932.70x = 127,399.35 × 25,768.86
  4. Step 4: Simplify right side
    84,932.70x = 3,282,936,014.24
  5. Step 5: Solve for x
    x = 3,282,936,014.24/84,932.70
  6. Step 6: Final answer
    x = 38,653.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.